fix: events should only be published once per content operation

.github/workflows/prs.yml

@@ -62,6 +62,14 @@ jobs:
       with:
         path: ~/.m2
         key: ${{ runner.os }}-maven-${{ github.run_id }}
+    - uses: actions/checkout@v2
+      with:
+        path: spring-content
+    - name: Re-build spring-content
+      run: |
+        pushd spring-content
+          mvn install -DskipTests=true
+        popd
     - uses: actions/checkout@v2
       with:
         repository: paulcwarren/spring-content-examples

spring-content-azure-storage/src/main/java/internal/org/springframework/content/azure/config/AzureStorageConfiguration.java

@@ -3,6 +3,8 @@
 import java.io.Serializable;
 import java.util.List;
 
+import org.apache.commons.logging.Log;
+import org.apache.commons.logging.LogFactory;
 import org.springframework.beans.factory.InitializingBean;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.beans.factory.annotation.Value;
@@ -21,11 +23,14 @@
 import org.springframework.core.convert.converter.ConverterRegistry;
 
 import com.azure.spring.autoconfigure.storage.resource.AzureStorageProtocolResolver;
+import org.springframework.core.convert.converter.GenericConverter;
 
 @Configuration
 @Import(AzureStorageProtocolResolver.class)
 public class AzureStorageConfiguration implements InitializingBean {
 
+	private static Log logger = LogFactory.getLog(AzureStorageConfiguration.class);
+
 	@Autowired(required = false)
 	private List<AzureStorageConfigurer> configurers;
 
@@ -46,10 +51,12 @@ public PlacementService azureStoragePlacementService() {
 	public static void addDefaultConverters(PlacementService conversion, String bucket) {
 
 		// Serializable -> BlobId
+		logger.info("Adding Serializable->BlobId converter");
 		conversion.addConverter(new BlobIdResolverConverter(bucket));
 
 		// ContentPropertyInfo -> BlobId
-		conversion.addConverter(new Converter<ContentPropertyInfo<Object, Serializable>, BlobId>() {
+		logger.info("Adding ContentPropertyInfo->BlobId converter");
+		Converter converter = new Converter<ContentPropertyInfo<Object, Serializable>, BlobId>() {
 
 			private String defaultBucket = bucket;
 
@@ -73,7 +80,8 @@ public BlobId convert(ContentPropertyInfo<Object, Serializable> info) {
 				return (key != null) ? new BlobId(strBucket, key.toString()) : null;
 			}
 
-		});
+		};
+		conversion.addConverter(converter);
 	}
 
 	private void addConverters(ConverterRegistry registry) {
@@ -89,5 +97,6 @@ private void addConverters(ConverterRegistry registry) {
 	public void afterPropertiesSet() throws Exception {
 		addDefaultConverters(conversion, bucket);
 		addConverters(conversion);
+		logger.info(conversion.toString());
 	}
 }

spring-content-azure-storage/src/main/java/internal/org/springframework/content/azure/store/DefaultAzureStorageImpl.java

@@ -8,7 +8,7 @@
 import java.io.Serializable;
 import java.lang.annotation.Annotation;
 import java.lang.reflect.Field;
-import java.util.UUID;
+import java.util.*;
 
 import org.apache.commons.io.IOUtils;
 import org.apache.commons.logging.Log;
@@ -26,8 +26,10 @@
 import org.springframework.content.commons.utils.BeanUtils;
 import org.springframework.content.commons.utils.Condition;
 import org.springframework.content.commons.utils.PlacementService;
+import org.springframework.content.commons.utils.PlacementServiceImpl;
 import org.springframework.context.ApplicationContext;
 import org.springframework.core.convert.TypeDescriptor;
+import org.springframework.core.convert.converter.GenericConverter;
 import org.springframework.core.io.Resource;
 import org.springframework.core.io.ResourceLoader;
 import org.springframework.core.io.WritableResource;
@@ -38,6 +40,7 @@
 
 import internal.org.springframework.content.azure.io.AzureBlobResource;
 import internal.org.springframework.content.commons.utils.ContentPropertyInfoTypeDescriptor;
+import org.springframework.util.ClassUtils;
 
 @Transactional
 public class DefaultAzureStorageImpl<S, SID extends Serializable>
@@ -131,8 +134,8 @@ public Resource getResource(S entity, PropertyPath propertyPath, GetResourcePara
         BlobId blobId = null;
         TypeDescriptor contentPropertyInfoType = ContentPropertyInfoTypeDescriptor.withGenerics(entity, property);
         if (placementService.canConvert(contentPropertyInfoType, TypeDescriptor.valueOf(BlobId.class))) {
-            ContentPropertyInfo<S, SID> contentPropertyInfo = ContentPropertyInfo.of(entity,
-                    (SID) property.getContentId(entity), propertyPath, property);
+            ContentPropertyInfo<S, SID> contentPropertyInfo = ContentPropertyInfo.of(entity, (SID) property.getContentId(entity), propertyPath, property);
+
             blobId = (BlobId) placementService.convert(contentPropertyInfo, contentPropertyInfoType, TypeDescriptor.valueOf(BlobId.class));
 
             if (blobId != null) {